Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat chi hoa snippets" » "chat cho hoa snippets", "chat khi hoa snippets", "chat thai hoa snippets", "chat chi khoa snippets", "chat chi hoat snippets", "chat thi hoa snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("chat chi hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chat chi hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat chi hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat chi hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.